LearnJS/Generator.js at main · vishallovecode/LearnJS · GitHub

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// es6

// function GenerateNumber () {
//     return Math.random()*100;
// }

// const randomNumber  = GenerateNumber();
//  console.log(randomNumber)


    function* GenerateNumber () {

        yield "helloo";
        yield 'good'

 }

 const  generate =  GenerateNumber(); // Generator Object => Iterator
 // Iterator => next
 console.log(generate) // iterator next , value  , done
//  console.log(generate.next());
//  console.log(generate.next());
//  console.log(generate.next());
//  console.log(generate.next());


//  for( let data of  generate) {
//      console.log(data)
//  }

//  console.log(generate.next()); // does not have any value
 //


 // if you  use normally generator does that function is async  => No
 // How can i make that function as async  ? => as async keyword in the function


  function* tricky () {
    yield 1223445;
    yield 45657;
    yield 4567;
    // return 5678;
    yield 5678;
  }

//   const genObj =  tricky();
//   // this will not cosnsider the return statmenet
//   for(let value of genObj) {
//     console.log(value)
//   }


  // Generator composition => we can call generator inside another generator


  function* giveRandomMessage () {
    yield* tricky();
    yield*  GenerateNumber();

  }

  const itObj = giveRandomMessage();
  for(let it of itObj) {
    console.log(it)
  }